*{
    margin: 0;
    padding: 0;
}

/* ==================nav================== */
.login{
    float:right;
}
.login .last{
    margin-right:0px;
    float:right;
}

.layui-nav li img{
    height: 58px;
}

.login img{
    height: 20px;
    width: 60px;
}

.layui-nav li{
    position:  relative;
}


.layui-nav li input{
    width:300px;
    height: 40px;
    color: black;
    border-radius: 6px;
    padding-left: 10px;
}

.layui-nav li span{

    position: absolute;
    display: inline-block;
    width: 30px;
    height: 30px;
    margin-left: 240px;
}

.layui-nav li div a{
    margin: 0 !important;
}


.layui-nav li a:hover{
    margin-right:10px;
    margin-left:10px;
    text-decoration: none;
}


.wrapper{
    width: 100%;
    height: 500px;

}
.main{
    height: 600px;
}



.aside_ad ul{
    width: 100%;
    height: 100%;

    list-style: none;  /*去除小黑点*/

}

.aside_ad ul li{
    width: 220px;
    height: 180px;
    margin-right: 20px;
    margin-left: 2px;
    margin-bottom: 60px;
    float: left;

}
.aside_ad ul li  img{
    width: 425px;
    height: 420px;
    margin-top: 20px;


}


.pro_name{
    width: 100%;
    height: 100px;
    line-height: 80px;
    color: rgb(48, 47, 47);
    border-bottom: 1px solid rgb(194, 191, 191);
}

.pro_params {
    list-style: none;
    width: 100%;
    height: 680px;
    margin-left: 50px;
}

.pro_params  li{
    width: 100%;
    height: 60px;
    line-height: 60px;

}
.dibu{
    width: 100%;
    height: 300px;
    margin-bottom: 30px;

}


button{
    width: 110px;
    height: 40px;
    background-color:orange;
    color: white;/*文字颜色*/
    border: none;
    border-radius: 4px;
    cursor: pointer;/*鼠标悬浮为小手*/
    padding: 2px;
    float: right;
    margin-right: 30px;
    margin-top: 20px;
}
.one{

    height: 85%;

}
.one h1{
    cursor: pointer;
}
.one li{
    float: left;
    list-style: none;
    margin: 10px;
    cursor: pointer;
    margin-left: 1px;
    width: 96px;

}
.two{
    height: 85%;
}
.two li{
    float: left;
    list-style: none;
    margin: 10px;
    cursor: pointer;
    width: 96px;

}
.two h1{
    cursor: pointer;
}
.three h1{
    cursor: pointer;
}
.three li{
    float: left;
    list-style: none;
    margin: 10px;
    cursor: pointer;
    margin-left: 1px;
    width: 96px;
}
.four li
{
    float: left;
    list-style: none;
    margin: 5px;


    width: 150px;

}
.four{
    margin-top:60px;
}

.body{
    height: 800px;
}
.login{
    float:right;
}
.login .last{
    margin-right:0px;
    float:right;
}



.layui-nav li{
    position:  relative;

}


.layui-nav li input{
    width:300px;
    height: 40px;
    color: black;
    border-radius: 6px;
    padding-left: 10px;
}

.layui-nav li span{

    position: absolute;
    display: inline-block;
    width: 30px;
    height: 30px;
    margin-left: 240px;
}

.layui-nav li div a{
    margin: 0 !important;
}


.layui-nav li a:hover{
    margin-right:10px;
    margin-left:10px;
    text-decoration: none;
}